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圆周

圓周
yuánzhōu
noun #37,368

Meanings

  1. 1 circumference
  2. 2 circle (math.)

Examples

圆周的长度等于直径乘以圆周率。
Yuánzhōu de chángdù děngyú zhíjìng chéng yǐ yuánzhōulǜ.
The circumference equals the diameter times pi.
孩子们围成一个圆周跳舞。
Háizimen wéi chéng yī gè yuánzhōu tiàowǔ.
The children formed a circle and danced.

Tips

usage
圆周 is the math term for the boundary of a circle. The famous derivative 圆周率 (yuánzhōulǜ) means pi (π) — literally circle-circumference-rate. For everyday round shapes use 圆 (yuán) or 圆圈 (yuánquān) instead.

Stroke Order

圆 yuán
周 zhōu